import { asyncRouterMap, constantRouterMap } from '@/router/index'
// console.log(constantRouterMap)
// console.log(asyncRouterMap)

/**
 * 通过meta.role判断是否与当前用户权限匹配
 * @param roles
 * @param route
 */
function hasPermission(roles, route) {
  if (roles) {
    for (let i = 0; i < roles.length; i++) {
      if (roles[i].code == route.permissionCode || route.hidden) {
        return true
      }
    }
    return false
    // return true
  }
}

/**
 * 递归过滤异步路由表，返回符合用户角色权限的路由表
 * @param asyncRouterMap
 * @param roles
 */
function filterAsyncRouter(asyncRouterMap, roles) {
  const accessedRouters = asyncRouterMap.filter(route => {
    if (hasPermission(roles, route)) {
      if (route.children && route.children.length) {
        route.children = filterAsyncRouter(route.children, roles)
      }
      return true
    }
    // return false
    return true
  })
  return accessedRouters
}

const permission = {
  state: {
    routers: asyncRouterMap.concat(constantRouterMap),
    addRouters: []
  },
  mutations: {
    SET_ROUTERS: (state, routers) => {
      // state.addRouters = routers
      // state.routers = constantRouterMap.concat(routers)
      // state.routers = constantRouterMap.concat(asyncRouterMap)
    }
  },
  actions: {
    GenerateRoutes({ commit }, data) {
      return new Promise(resolve => {
        const roles = data
        let accessedRouters
        // accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
        // if (roles.indexOf('Admin') >= 0) {
        //   accessedRouters = asyncRouterMap
        // } else {
        //   accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
        // }
        // commit('SET_ROUTERS', accessedRouters)
        resolve()
      })
    }
  }
}

export default permission
